Home / 159,110.48-219,566.56-87,486.24

Finding the Fourth Proportional to 159,110.48, 219,566.56 and 87,486.24

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Solution

The fourth proportional to 159,110.48, 219,566.56 and 87,486.24 is: 120,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,110.48 : 219,566.56 = 87,486.24 : x
  2. Step 2: Convert to fraction form
    159,110.48/219,566.56 = 87,486.24/x
  3. Step 3: Cross multiply
    159,110.48x = 219,566.56 × 87,486.24
  4. Step 4: Simplify right side
    159,110.48x = 19,209,052,764.13
  5. Step 5: Solve for x
    x = 19,209,052,764.13/159,110.48
  6. Step 6: Final answer
    x = 120,727.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.